Fixing unnecessary copy (-Wreturn-std-move).
Fixing unnecessary copy (-Wreturn-std-move).

The suppression has been removed in
https://webrtc-review.googlesource.com/c/src/+/72420.

Bug: None
TBR: 9507adee858471ab168c339dc72b814b168c081b@webrtc.org
No-Try: True
Change-Id: I0cd4bdd4906fc23f189d7232781d15a248334a13
Reviewed-on: https://webrtc-review.googlesource.com/72483
Commit-Queue: Oleh Prypin <5baa3e04f9bd6ba7a2a4b56625a3c84f19237cdb@webrtc.org>
Reviewed-by: Oleh Prypin <5baa3e04f9bd6ba7a2a4b56625a3c84f19237cdb@webrtc.org>
Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#23029}
TimothyGu/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc